(0 18 16)(1 19 3)(2 11 5)(4 20 9)(6 10 8)(7 14 12)(13 17 15)
ALLOWS (11/8)-SEQUENCE
1: (4 9 20)

(0 18 16)(1 19 3)(2 11 5)(4 9 20)(6 10 8)(7 14 12)(13 17 15)
2: (2 11 5)

(0 18 16)(1 19 3)(2)(4 9 20)(5)(6 10 8)(7 14 12)(11)(13 17 15)
3: (4 9 20)

(0 18 16)(1 19 3)(2)(4)(5)(6 10 8)(7 14 12)(9)(11)(13 17 15)(20)
4: (1 19 3)

(0 18 16)(1)(2)(3)(4)(5)(6 10 8)(7 14 12)(9)(11)(13 17 15)(19)(20)